I too know exactly how you feel and no, you are not being unreasonable, seen from where I, the wife of another man who doesn't really see the point of remembering birthdays, anniversaries, and so on, am sitting.
I now plan my own birthday and tell him what we are going to do on it. For Christmas I try to find something he relatively easily can buy and tell him that is what I would like. Sometimes this works, sometimes it doesn't.
Wedding anniversary? At the start of the month I say, "What would you like to do on our wedding anniversary?" The invariable reply is, "It's not today, is it?" To which I reply either, "Look inside your ring!" or "Check the calendar".
I did try to teach myself not to mind, but decided that I would plan something nice myself and rope him in. That way I get just a little recognition of the days that mean something to me.